Roof trusses are frames made up of timber thatis nailed, bolted or pegged together to formstructurally interdependent shapes of greatstrength. Never remove, modify or cut into aroof truss without consulting a StructuralEngineer: your roof could fall down!

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Roof trusses have to withstand the weight of the roof timbers and coverings (the ‘DeadLoad’), plus a factor for your local Wind Load,plus a factor for your local Snow Load, plus aSafety Factor.

WHAT IS A ROOF TRUSS?

TRUSS SHAPES AND SPANS

Span up to 12 metersSpan up to 12Span up to 4.5 m. Used in houseand garage constructionSpan up to 6 metersSpan up to 20 meters